:root {
  --bg: #0d0f1a;
  --bg-2: #141728;
  --panel: #1a1e33;
  --line: #2a2f4a;
  --text: #eef0ff;
  --muted: #a3a8c7;
  --accent: #7c5cff;
  --accent-2: #22c3a6;
  --ok: #34d399;
  --radius: 16px;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f7fc;
    --bg-2: #ffffff;
    --panel: #ffffff;
    --line: #e2e3f0;
    --text: #15172a;
    --muted: #5b6080;
    color-scheme: light;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
  background:
    radial-gradient(900px 500px at 85% -10%, rgb(124 92 255 / .22), transparent 60%),
    radial-gradient(700px 400px at -10% 20%, rgb(34 195 166 / .14), transparent 60%),
    var(--bg);
  color: var(--text);
}

a { color: var(--accent-2); }
code, kbd, pre { font-family: var(--mono); }
kbd {
  display: inline-block;
  min-width: 1.6em;
  padding: 0 .35em;
  margin: 0 .1em;
  border: 1px solid var(--line);
  border-bottom-width: 3px;
  border-radius: 6px;
  background: var(--panel);
  font-size: .85em;
  text-align: center;
}

.skip { position: absolute; left: -999px; }
.skip:focus { left: 1rem; top: 1rem; background: var(--panel); padding: .5rem 1rem; border-radius: 8px; z-index: 10; }

.nav {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .9rem clamp(1rem, 4vw, 3rem);
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 75%, transparent);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: .6rem; font-weight: 700; color: var(--text); text-decoration: none; }
.nav nav { display: flex; gap: 1.4rem; flex-wrap: wrap; }
.nav nav a { color: var(--muted); text-decoration: none; font-size: .95rem; }
.nav nav a:hover { color: var(--text); }

main { max-width: 1160px; margin: 0 auto; padding: 0 clamp(1rem, 4vw, 2rem); }

.hero {
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 3rem; align-items: center;
  padding: clamp(3rem, 8vw, 6rem) 0 4rem;
}
.eyebrow { color: var(--accent-2); font-weight: 600; letter-spacing: .02em; margin: 0 0 .8rem; }
h1 { font-size: clamp(2.3rem, 5vw, 3.6rem); line-height: 1.08; margin: 0 0 1.2rem; letter-spacing: -.02em; }
.grad { background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { color: var(--muted); font-size: 1.15rem; max-width: 34rem; }
.cta { display: flex; flex-wrap: wrap; gap: .8rem; margin: 1.8rem 0 1rem; }
.fine { color: var(--muted); font-size: .88rem; }

.btn {
  display: inline-flex; align-items: center; gap: .7rem;
  padding: .8rem 1.2rem; border-radius: 12px; border: 1px solid var(--line);
  font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
  color: var(--text); background: var(--panel);
  transition: transform .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); border-color: var(--accent); }
.btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.btn.primary { background: linear-gradient(135deg, var(--accent), #5b8cff); border: 0; color: #fff; }
.btn.ghost code { font-size: .88rem; color: var(--muted); }
.btn.small { padding: .35rem .7rem; font-size: .8rem; }
.copy-label { font-size: .78rem; color: var(--accent-2); }
.copied .copy-label { color: var(--ok); }

/* Animated demo */
.stage { position: relative; min-height: 380px; }
.window {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 14px;
  box-shadow: 0 30px 60px -20px rgb(0 0 0 / .45);
  overflow: hidden;
}
.titlebar { display: flex; align-items: center; gap: 6px; padding: .55rem .8rem; border-bottom: 1px solid var(--line); font-size: .75rem; color: var(--muted); }
.titlebar i { width: 10px; height: 10px; border-radius: 50%; background: #ff5f57; }
.titlebar i:nth-child(2) { background: #febc2e; }
.titlebar i:nth-child(3) { background: #28c840; }
.titlebar span { margin-left: .5rem; }
.terminal { width: 92%; }
.term {
  margin: 0; padding: 1rem; min-height: 230px; font-size: .82rem; line-height: 1.7;
  color: #c9f7e9; background: #0a0c14; white-space: pre-wrap; word-break: break-word;
}
.term .prompt { color: #7c8cff; }
.term .flash { background: rgb(124 92 255 / .35); border-radius: 3px; }
.queue { position: absolute; right: 0; bottom: 0; width: 58%; }
.queue ol { margin: 0; padding: .6rem .8rem .8rem 2.2rem; font: .76rem/1.8 var(--mono); color: var(--muted); }
.queue li { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: color .2s; }
.queue li.done { opacity: .45; text-decoration: line-through; }
.queue li.current { color: var(--text); font-weight: 700; }
.queue li.current::marker { color: var(--accent-2); }

.badge {
  position: absolute; top: -14px; right: 6%;
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .3rem .8rem; border-radius: 999px;
  background: rgb(20 23 40 / .92); color: #fff; font: 600 .85rem var(--mono);
  border: 1px solid rgb(255 255 255 / .15);
  box-shadow: 0 10px 30px -8px rgb(0 0 0 / .6);
  transition: background .2s, transform .2s;
}
.badge.hit { background: #0f8f5f; transform: scale(1.08); }

.section { padding: 4.5rem 0; border-top: 1px solid var(--line); }
.section h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); margin: 0 0 2rem; letter-spacing: -.01em; }

.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.steps li { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; }
.steps h3 { margin: .8rem 0 .4rem; }
.steps p { color: var(--muted); margin: 0; }
.num {
  display: inline-grid; place-items: center; width: 2.2rem; height: 2.2rem; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; font-weight: 800;
}

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; }
.card h3 { margin: 0 0 .5rem; font-size: 1.1rem; }
.card p { color: var(--muted); margin: .4rem 0; }

.downloads { display: grid; grid-template-columns: 1.4fr 1fr; gap: 1.2rem; }
.hero > *, .downloads > *, .grid > *, .steps > * { min-width: 0; }
.platform-head { display: flex; align-items: center; gap: .7rem; }
.platform-head h3 { margin: 0; font-size: 1.35rem; }
.os { font-size: 1.5rem; }
.pill { margin-left: auto; padding: .15rem .7rem; border-radius: 999px; font-size: .75rem; font-weight: 700; border: 1px solid var(--line); color: var(--muted); }
.pill.ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 50%, transparent); }
.soon { border-style: dashed; }
.codeblock { position: relative; }
.codeblock pre { margin: .4rem 0 1rem; padding: 2.6rem 1rem 1rem; background: #0a0c14; color: #c9f7e9; border-radius: 12px; font-size: .8rem; overflow-x: auto; }
.codeblock .copy { position: absolute; top: .5rem; right: .5rem; }

.privacy p { color: var(--muted); max-width: 46rem; }
.footer { text-align: center; padding: 2.5rem 1rem 3rem; color: var(--muted); font-size: .9rem; border-top: 1px solid var(--line); }

@media (max-width: 900px) {
  .hero, .downloads { grid-template-columns: 1fr; }
  .steps, .grid { grid-template-columns: 1fr; }
  .stage { min-height: 400px; }
}
@media (max-width: 560px) {
  .nav nav a:not(:last-child) { display: none; }
  .queue { width: 80%; }
}